GPS antenna



FIG. 1 is a perspective view of a GPS antenna showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side elevation view thereof; and,

FIG. 5 is a front elevation view thereof.

The portions of the GPS antenna shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a GPS antenna, as shown and described. 